pmu_backlight_set_sleep 2625 drivers/macintosh/via-pmu.c 	pmu_backlight_set_sleep(1);
pmu_backlight_set_sleep 2644 drivers/macintosh/via-pmu.c 	pmu_backlight_set_sleep(0);
pmu_backlight_set_sleep   50 include/linux/pmu.h extern void pmu_backlight_set_sleep(int sleep);